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United States · Alaska

M6.1 Earthquake near Alaska (United States)

UTC time: 2026-02-23 05:11:48 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Map

M6.1 Earthquake near Alaska (United States) · 2026-02-23 — Map showing the location of the epicenter
M6.1 Earthquake near Alaska (United States) · 2026-02-23 — Map showing the location of the epicenter

About this earthquake

On February 23, 2026 at 05:11 UTC, a magnitude M6.1 earthquake occurred near Alaska (United States). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can cause significant damage in populated areas.

The data is provided by GFZ and cross-checked across seismological networks. United States: 177 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

ID
2e38407f6b327031d0d81021500a6b3b94ad931c
Magnitude
M6.1
Depth
10.0 km
UTC time
2026-02-23 05:11:48 UTC
Local time
—
Country
United States
State
Alaska
City
Alaska
Source
gfz
Coordinates
52.63000, -170.14000
Temperature
5.2°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Herbert
    Distance: 13 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Cleveland
    Distance: 25 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Carlisle
    Distance: 30 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Yunaska
    Distance: 33 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Tana
    Distance: 33 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Kagamil
    Distance: 48 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Nikolski Air StationUnited States · IKO · PAKO
    93.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Subsequent earthquakes nearby

Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.

First 6 hours7
First 24 hours10
First 72 hours17
Strongest subsequent eventM6.3
M6.32026-02-23 05:11:49 UTC35.9 kmAlaska M3.42026-02-23 05:24:14 UTC24.2 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.22026-02-23 09:42:33 UTC38.3 kmFOX ISLANDS, ALEUTIAN ISLANDS M5.92026-02-23 10:02:06 UTC18.7 km88 km WSW of Nikolski, Alaska M5.42026-02-23 10:02:07 UTC29.2 km92 km SW of Nikolski, Alaska M5.92026-02-23 10:02:08 UTC21.7 kmFox Islands M4.42026-02-23 10:54:31 UTC78.2 kmFox Islands M3.92026-02-23 12:18:09 UTC249.3 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.22026-02-23 21:11:06 UTC28.3 km88 km SW of Nikolski, Alaska M4.22026-02-23 21:11:08 UTC24.7 kmFOX ISLANDS, ALEUTIAN ISLANDS M4.42026-02-24 10:22:07 UTC10.0 kmAlaska M2.82026-02-24 18:00:48 UTC24.4 kmFOX ISLANDS, ALEUTIAN ISLANDS

Alaska

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 653 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#2
Earlier events M≥4106
Earlier events M≥551
Compared since2025-01-13

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.22025-09-03 20:57:41 UTC209.5 km87 km SW of Nikolski, Alaska M6.02025-09-03 20:57:47 UTC45.5 km87 km SW of Nikolski, Alaska M5.92025-09-03 20:57:50 UTC61.5 kmFox Islands, Aleutian Islands, United States [Sea: United States] M5.82025-09-03 20:57:51 UTC54.2 kmFox Islands, Aleutian Islands M5.82025-09-03 20:57:52 UTC65.1 km96 km SSW of Nikolski, Alaska

Historic earthquake map · United States

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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